Answer:
20 hours
Explanation:
If your computer can download a movie in 5 hours, then it downloads
of a movie in 1 hour.
The extra processor in 1 hour, reduces the time down to 5 hours, so it downloads
of the movie in 1 hour.
The time that the extra processor will spend to download a whole movie added to
will equal
.
So our equation is
.
To simplify this, lets multiply all sides by 20x.
Now we can simplify this equation.
So the extra processor alone would take 20 hours to download the movie.
Hope this helped!